When I saw the previous submission of this as https://news.ycombinator.com/item?id=18853508 (which describes it as a "tool-assisted speedrun" of NetHack on the online server nethack.alt.org), I thought "wait, you can't have a tool-assisted speedrun of a nondeterministic game with hidden information...!" (particularly on an online server where you can't roll back history). Then I read the article and saw that this pro…
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